1. Knowledge aims:Ss will be able to understand the conversation talking about future and Ss will learn necessary listening skills through this lesson.                 
Ability aims:Ss’abilities of listening, speaking will be improved and Ss will be able to talk about future environment and protection.
Emotion aims: Ss are encouraged to think about the future of the earth and their awareness of protecting environment will be aroused.
2. Teaching proccdurcs:
Step I lead-in: T plays a video/ shows sonic pictures about the condition of the earth and invites Ss have a free talk about the recent environment conditions.
设计意图:通过播放视屏/展示图片关于目前地球的情况，请学生就该话理自由讨论。
Step 2 Pre-listening: T invites Ss to think about what will happen to our earth and predict about the following listening material.
设计意图:通过谈话引导学生进一步思考并预测将要听到的内容。
Step 3 While-listening: I^st listening-Ss listen to the tape for the first time and get the main idea and confirm their predictions.
设计意图:第一遍听力获取主旨大意并确认预侧内容。
2^nd listening-Ss listen again carefully and answer the following questions:
Q1 : What will the future be like?      Q2: Will people have to move to other planets?
Q3: What can we do?
设计意图:通过问答活动帮助学生加深细节内容理解。
3^nd listening-Ss listen to the tape and imitate the conversation and read it in pairs.
设计意图:成对分角色跟读锻炼学生的口语表达能力，加深课文情感理解。
Step 4 Post-reading: Ss, working in groups of four, apply for a position of chairman of an environment organization. They are required to give a public speech about how to protect the environment. T and others will be
the judges and choose the suitable candidate.
设计意图:创设竟聘环境保护组织主席的情境，学生分小组讨论后进行展示，学生和教师选出最佳人选，有利于培养学生综合语言运用能力。
Step 5 summary: Ss will be encouraged to summarize what thye have learnt and T makes supplement if necessary and encourage Ss to protect our environment.
设计意图:学生进行内容总结，教师补充并鼓励学生注意保护环境。
Step 6 Homework： Ss can make a survey in their communities about how people protecting the earth and share with others next class.
设计意图：学生过调查社区内人们如何保护环境，并与其他同学分享，有利于巩固所学知识。